Funnel for filling up windshield washer fluid tank



FIG. 1 is a top front perspective view of a funnel for filling up windshield washer fluid tank, showing my new design, in closed position;

FIG. 2 is a top front perspective view thereof, in open position;

FIG. 3 is a top plan view thereof, in closed position;

FIG. 4 is a side elevational view thereof, in closed position;

FIG. 5 is a rear elevational view thereof, in closed position; and,

FIG. 6 is a bottom plan view thereof. 

The ornamental design for a funnel for filling up windshield washer fluid tank, as shown and described. 